Adobe (formerly Macromedia) ColdFusion MX 6.0, 6.1, 6.1 with JRun, and 7.0 allows remote attackers to attach arbitrary files and send mail via a crafted Subject field, which is not properly handled by the CFMAIL tag in applications that use ColdFusion, aka "CFMAIL injection Vulnerability".
http://www.vupen.com/english/advisories/2005/2948
http://www.securityfocus.com/bid/15904
http://www.macromedia.com/devnet/security/security_zone/mpsb05-14.html
http://www.macromedia.com/devnet/security/security_zone/mpsb05-12.html